From 6a17e33f3dafa0e9d6c9109c53223fc7b89c83af Mon Sep 17 00:00:00 2001
From: Ben Clayton <bclayton@google.com>
Date: Wed, 31 Aug 2022 23:51:18 +0000
Subject: [PATCH] tint/writer: Remove spirv::Operand hasher

It's not used any more. utils::Hasher is specialized for vectors.

Change-Id: Ic7c6978ae1f54b608b4dba98abeac077c1be9567
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/100904
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
---
 src/tint/writer/spirv/operand.h | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/src/tint/writer/spirv/operand.h b/src/tint/writer/spirv/operand.h
index dab10e9141..0601ca0684 100644
--- a/src/tint/writer/spirv/operand.h
+++ b/src/tint/writer/spirv/operand.h
@@ -43,18 +43,4 @@ using OperandListKey = utils::UnorderedKeyWrapper<OperandList>;
 
 }  // namespace tint::writer::spirv
 
-namespace std {
-
-/// Custom std::hash specialization for tint::writer::spirv::Operand
-template <>
-class hash<tint::writer::spirv::Operand> {
-  public:
-    /// @param o the Operand
-    /// @return the hash value
-    inline std::size_t operator()(const tint::writer::spirv::Operand& o) const {
-        return std::visit([](auto v) { return tint::utils::Hash(v); }, o);
-    }
-};
-
-}  // namespace std
 #endif  // SRC_TINT_WRITER_SPIRV_OPERAND_H_